12. EXPERIMENT with rubber bands: a) Touch a rubber band to your lips. Remove, then stretch it quickly and touch it to your lips again. How has the temperature changed? What is the sign of AH? (Remember that the rubber band is the system and that YOU are the surroundings.) b) Allow the band to collapse (return) and touch it to your lips again. How has the temperature changed? What is the sign of AH°? c) Determine the sign of ASº for this return process. (from AG=AH° - TAS°) d) Rationalize the sign of AS° with the structure relaxed versus stretched. Which is the more ordered state?
12. EXPERIMENT with rubber bands: a) Touch a rubber band to your lips. Remove, then stretch it quickly and touch it to your lips again. How has the temperature changed? What is the sign of AH? (Remember that the rubber band is the system and that YOU are the surroundings.) b) Allow the band to collapse (return) and touch it to your lips again. How has the temperature changed? What is the sign of AH°? c) Determine the sign of ASº for this return process. (from AG=AH° - TAS°) d) Rationalize the sign of AS° with the structure relaxed versus stretched. Which is the more ordered state?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:12.
EXPERIMENT with rubber bands:
a) Touch a rubber band to your lips. Remove, then stretch it quickly and touch it to your lips again. How has the temperature
changed? What is the sign of AH? (Remember that the rubber band is the system and that YOU are the surroundings.)
b) Allow the band to collapse (return) and touch it to your lips again. How has the temperature changed? What is the sign of
AHº?
c) Determine the sign of ASº for this return process. (from AG=AH - TAS")
d) Rationalize the sign of ASº with the structure relaxed versus stretched. Which is the more ordered state?
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